Class IOTools

java.lang.Object
org.apache.catalina.util.IOTools
public class IOTools extends Object
Contains commonly needed I/O-related methods
Author:
Dan Sandberg

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected static final int
    DEFAULT_BUFFER_SIZE
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    flow(InputStream is, OutputStream os)
    Read input from input stream and write it to output stream until there is no more input from input stream using a new buffer of the default size (4 KiB).
    static void
    flow(Reader reader, Writer writer)
    Read input from reader and write it to writer until there is no more input from reader.
    static void
    flow(Reader reader, Writer writer, char[] buf)
    Read input from reader and write it to writer until there is no more input from reader.
    static int
    readFully(InputStream is, byte[] buf)
    Read until EOF or the buffer is filled.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

  • Method Details

    • flow

      public static void flow(Reader reader, Writer writer, char[] buf) throws IOException
      Read input from reader and write it to writer until there is no more input from reader.
      Parameters:
      reader - the reader to read from.
      writer - the writer to write to.
      buf - the char array to use as a buffer
      Throws:
      IOException - IO error

    • flow

      public static void flow(Reader reader, Writer writer) throws IOException
      Read input from reader and write it to writer until there is no more input from reader.
      Parameters:
      reader - the reader to read from.
      writer - the writer to write to.
      Throws:
      IOException - IO error
      See Also:

    • flow

      public static void flow(InputStream is, OutputStream os) throws IOException
      Read input from input stream and write it to output stream until there is no more input from input stream using a new buffer of the default size (4 KiB).
      Parameters:
      is - input stream the input stream to read from.
      os - output stream the output stream to write to.
      Throws:
      IOException - If an I/O error occurs during the copy

    • readFully

      public static int readFully(InputStream is, byte[] buf) throws IOException
      Read until EOF or the buffer is filled.
      Parameters:
      is - The source to read from
      buf - The buffer to write to
      Returns:
      The number of bytes read
      Throws:
      IOException - If an I/O error occurs during the read